2156365341 has 32 divisors (see below), whose sum is σ = 3465544320. Its totient is φ = 1317278592.

The previous prime is 2156365339. The next prime is 2156365373. The reversal of 2156365341 is 1435636512.

2156365341 is a `hidden beast` number, since 2 + 1 + 563 + 6 + 53 + 41 = 666.

It is not a de Polignac number, because 2156365341 - 2¹ = 2156365339 is a prime.

It is a super-2 number, since 2×2156365341² = 9299822967732092562, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2156365296 and 2156365305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2156365381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25666 + ... + 70508.

It is an arithmetic number, because the mean of its divisors is an integer number (108298260).

Almost surely, 2^2156365341 is an apocalyptic number.

It is an amenable number.

2156365341 is a deficient number, since it is larger than the sum of its proper divisors (1309178979).

2156365341 is a wasteful number, since it uses less digits than its factorization.

2156365341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45002 (or 44996 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 2156365341 is about 46436.6809860481. The cubic root of 2156365341 is about 1291.9353481133.

The spelling of 2156365341 in words is "two billion, one hundred fifty-six million, three hundred sixty-five thousand, three hundred forty-one".